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পণ্যের বিবরণ:
প্রদান:
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| Forging ratio: | ≥4 | MOQ: | 1PC |
|---|---|---|---|
| Max Weight: | 30T | Melting proce: | EF+LF+VD |
| Material: | Steel | Heating treatment: | N+T Q+T |
| Application: | High Strength Gear Box | Colour: | Original |
| লক্ষণীয় করা: | rolled ring forgings,hydraulic press forging |
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High Strength Gear Box Open Die Forgings Heat Nitriding Treatment
Products:
Mining equipment gear,accelerator gear,reducer gear,alloy steel gear,nitriding steel gear.
Mining equipment gear after heat nitriding treatment,carburizing quenching treatment to reach gear strength,to meet the bad condition working,precision mining gear after gear grinding to meet accuracy requirements,trilinear coordiante measuring machine to check the accuracy.
Products reference:
| Material | 4340,20CrMnMo,34CrNiMo7-6,18CrNiMo7-6 |
| Forging equipment | 4000T open die hydropress |
| Application |
Mining equipment gear,gear harden,increase strength,suitable high strength gear box |
|
Melting process |
EF+LF+VD |
| Production process |
Forging+heat treatment+rough machining+QT+hobbing+gear grinding+finish machinig |
| Forging ratio |
≥4 |
|
Applicable standard |
ASTM,ASME,DIN,JIS,ISO,BS,API,EN |
|
Executive standard |
JB/GB/EN/DIN/JIS/ASME/ASTM/ISO |
|
Certification authority |
ISO9001:2008,TÜV(BV),(LR),ABS,RINA,(GL),(KR),(DNV),(NK),PED. |
| Delivery term |
Rough machining(N+T);finish machining(Q+T),ntriding quenching |
|
Test equipment |
Spectrograph,UT device,tensile and compact test machine,metalloscope,outside micrometer,bore dia indicator,trilinear coordinate measuring machine,hardness test machine |
| service | Our service included the forging, process, heat treatment, finish machining, package, local logistics, customers clearance and maritime transport. We took the customer’s requirements as the principal thing, and pay attention on the products quality. |
Custom properties
|
Material elements |
C | Si | Mn | P | S | Cr | Ni | Mo |
Others |
| 20CrMnMo | 0.17-0.23 | 0.17-0.37 | 0.90-1.20 | 0.035 | 0.035 | 1.10-1.40 | 0.30 | 0.20-0.30 | 0.17-0.23 |
| 34CrNiMo6 | 0.30-0.38 | ≤0.040 | 0.50-0.80 | ≤0.035 | ≤0.035 | 1.30-1.70 | 1.30-1.70 | 0.15-0.30 | |
| 18CrNiMo7-6 | 0.15-0.21 | 0.17-0.35 | 0.50-0.90 | ≤0.025 | ≤0.025 | 1.50-1.80 | 1.40-1.70 | 0.25-0.35 | |
| 4340 | 0.38-0.43 | 0.15-0.35 | 0.60-0.80 | ≤0.035 | ≤0.040 | 0.70-0.90 | 1.65-2.00 | 0.20-0.30 | - |
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Mechanical property |
Dia.(mm) |
TS/Rm(Mpa) |
YS/Rp0.2(Mpa) |
EL/A5(%) |
RA/Z(%) |
Type Of notch |
Impact energy |
HBW |
| 20CrMnMo | Ø15 | ≥1180 | ≥885 | ≥10 | ≥45 | V | ≥55 | ≤217HBS |
| 34CrNiMo6 | Ø15 | 750-900 | 450-600 | ≥13 | ≥55 | V | -40℃≥20 | ≤269HBS |
| 18CrNiMo7-6 | Ø15 | ≥980 | ≥785 | ≥9 | ≥40 | V | ≥47 | ≤269HBS |
| 4340 | Ø15 | ≥980 | ≥835 | ≥12 | ≥55 | V | ≥78 | ≤179HBS |
Process procedure:
Forging process flow quality control:
Commerce clause
| Max weight | 30T |
| MOQ | 1PC |
| Delivery time | 30-50 days |
| Package | Plywood case,wooden pallet,steel frame |
| Delivery term | FOB;CIF;CFR；DDU； |
| Payment term | T/T,LC |
| Type of shipping |
By ocean,air |
Advantage
ব্যক্তি যোগাযোগ: Mr. Arnold
টেল: +86-15-15-15-81-878
ফ্যাক্স: 86-512-58360318
| বিক্রয় অফিসে:A 509,HuaJian Mansion,Zhangjiagang City,JiangSu Province,China | |
| +86--13914905080 | |
| arnoldxue@163.com | |
